Title II, SEC. 2105. COST SHARING. 
      (a) No or Nominal Cost Sharing for Poorest. The State plan may not impose 
    any cost sharing (other than nominal cost sharing) for individuals with 
    income (as determined under subsection (c)) less than 150 percent of the 
    poverty level (as defined in section 1902(25)) applicable to a family of 
    the size involved. 

      (b) Sliding Scale for Remainder. The State plan shall impose cost sharing 
    in the form of coinsurance (based on the amount paid under the State plan 
    for a service) 

        (1) at a rate of 10 percent for individuals with disabilities with 
      income not less than 150 percent, and less than 250 percent, of the 
      poverty level applicable to a family of the size involved; 

        (2)  at a rate of 25 percent for such individuals with income not less 
      than 250 percent, and less than 400 percent, of the poverty level 
      applicable to a family of the size involved; and 

        (3)  at a rate of 40 percent for such individuals with income equal to 
      at least 400 percent of the poverty level applicable to a family of the 
      size involved. 

      (c) Determination of Income for Purposes of Cost Sharing. The State plan 
    shall specify the process to be used to determine the income of an 
    individual with disabilities for purposes of this section. Such process 
    shall be consistent with standards specified by the Secretary.